Ticket #1220: Library Catalog (VTLS).js

{
        "translatorID":"63a0a351-3131-18f4-21aa-f46b9ac51d87",
        "translatorType":4,
        "label":"Library Catalog (VTLS)",
        "creator":"Simon Kornblith",
        "target":"/chameleon(?:\\?|$)",
        "minVersion":"1.0.0b3.r1",
        "maxVersion":"",
        "priority":100,
        "inRepository":true,
        "lastUpdated":"2010-06-14 20:40:00"
}

function detectWeb(doc, url) {
        var node = doc.evaluate('//tr[@class="intrRow"]/td/table/tbody/tr[th]', doc, null, XPathResult.ANY_TYPE, null).iterateNext();
        if(node) {
                return "multiple";
        }
        var node = doc.evaluate('//a[text()="marc"]', doc, null, XPathResult.ANY_TYPE, null).iterateNext();
        if(node) {
                return "book";
        }
}

/* Returns true if "word" is in the array for key "set" */
function inI18NSetFor(word, set) {
        var variants = {
                "Title" : 
                ["Title", "Tytuł"]
        };
        if (word == set) return true;
        else if (variants[set] && variants[set].indexOf(word) !== -1) return true;
        else return false;
        
}

function doWeb(doc, url) {
        var namespace = doc.documentElement.namespaceURI;
        var nsResolver = namespace ? function(prefix) {
                if (prefix == 'x') return namespace; else return null;
        } : null;
        
        var uri = doc.location.href;
        var newUris = new Array();
        
        var marcs = doc.evaluate('//a[text()="marc"]', doc, nsResolver,
                                 XPathResult.ANY_TYPE, null);
        var record = marcs.iterateNext();
        
        if(record && !marcs.iterateNext()) {
                newUris.push(record.href);
        } else {
                // Require link to match this
                var tagRegexp = new RegExp();
                tagRegexp.compile("/chameleon\?.*function=CARDSCR");
                
                var items = new Array();
                
                var tableRows = doc.evaluate('//tr[@class="intrRow"]', doc, nsResolver,
                                             XPathResult.ANY_TYPE, null);
                var tableRow;
                // Go through table rows
                while(tableRow = tableRows.iterateNext()) {
                        var links = tableRow.getElementsByTagName("a");
                        // Go through links
                        var url;
                        for(var j=0; j<links.length; j++) {
                                if(tagRegexp.test(links[j].href)) {
                                        url = links[j].href;
                                        break;
                                }
                        }
                        if(url) {
                                // Collect title information
                                var fields = doc.evaluate('./td/table/tbody/tr[th]', tableRow,
                                                          nsResolver, XPathResult.ANY_TYPE, null);
                                var field;
                                while(field = fields.iterateNext()) {
                                        var header = doc.evaluate('./th/text()', field, nsResolver,
                                                                  XPathResult.ANY_TYPE, null).iterateNext();
                                        if(inI18NSetFor(header.nodeValue,"Title")) {
                                                var value = doc.evaluate('./td', field, nsResolver,
                                                                  XPathResult.ANY_TYPE, null).iterateNext();
                                                if(value) {
                                                        items[url] = Zotero.Utilities.cleanString(value.textContent);
                                                }
                                        }
                                }
                        }
                }
                
                items = Zotero.selectItems(items);
                
                if(!items) {
                        return true;
                }
                
                for(var i in items) {
                        Zotero.debug(i.replace(/function=[A-Z]{7}/, "function=MARCSCR"));
                        newUris.push(i.replace(/function=[A-Z]{7}/, "function=MARCSCR"));
                }
        }
        
        var translator = Zotero.loadTranslator("import");
        translator.setTranslator("a6ee60df-1ddc-4aae-bb25-45e0537be973");
        var marc = translator.getTranslatorObject();
        
        Zotero.Utilities.processDocuments(newUris, function(newDoc) {
                var uri = newDoc.location.href
                
                var namespace = newDoc.documentElement.namespaceURI;
                var nsResolver = namespace ? function(prefix) {
                  if (prefix == 'x') return namespace; else return null;
                } : null;
                
                var record = new marc.record();
                
//              var xpath = '//table[@class="outertable"]/tbody/tr[td[4]]'; //old xpath
//              xpaths from virginia college of osteopathic medicine
//              /html/body/table[@class="header2"]/tbody/tr/td[2]/table/tbody/tr/td/table/tbody/tr/td/table[@class="marctable"]/tbody/tr/td[1][@class="marcTag"]
//              /html/body/table[@class="header2"]/tbody/tr/td[2]/table/tbody/tr/td/table/tbody/tr/td/table[@class="marctable"]/tbody/tr/td[2]
//              /html/body/table[@class="header2"]/tbody/tr/td[2]/table/tbody/tr/td/table/tbody/tr/td/table[@class="marctable"]/tbody/tr/td[3]
//              /html/body/table[@class="header2"]/tbody/tr/td[2]/table/tbody/tr/td/table/tbody/tr/td/table[@class="marctable"]/tbody/tr/td[4][@class="marcSubfields"]
                var xpath = '//table[@class="marctable"]/tbody/tr[td[4]]';
                var elmts = newDoc.evaluate(xpath, newDoc, nsResolver,
                                            XPathResult.ANY_TYPE, null);
                
                while(elmt = elmts.iterateNext()) {
                        var field = newDoc.evaluate('./TD[1]/text()[1]', elmt, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().nodeValue;
                        var ind1 = newDoc.evaluate('./TD[2]/text()[1]', elmt, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().nodeValue;
                        var ind2 = newDoc.evaluate('./TD[3]/text()[1]', elmt, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().nodeValue;
                        var value = newDoc.evaluate('./TD[4]/text()[1]', elmt, nsResolver, XPathResult.ANY_TYPE, null).iterateNext().nodeValue;
                        value = value.replace(/\\([a-z]) /g, marc.subfieldDelimiter+"$1");
                        
                        record.addField(field, ind1+ind2, value);
                }
                
                var newItem = new Zotero.Item();
                record.translate(newItem);
                
                var domain = url.match(/https?:\/\/([^/]+)/);
                newItem.repository = domain[1]+" Library Catalog";
                
                newItem.complete();
        }, function(){ Zotero.done(); }, null);
        
        Zotero.wait();
}